Class: Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/cache.rb

Instance Method Summary collapse

Constructor Details

#initialize(source, fetchm, exp = 86400) ⇒ Cache

Returns a new instance of Cache.



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# File 'lib/cache.rb', line 3

def initialize(source, fetchm, exp=86400)
  @expiry = exp
  @timestamp = 0
  @contents = []
  @source = source
  @fetch = fetchm
end

Instance Method Details

#contents ⇒ Object 



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# File 'lib/cache.rb', line 11

def contents
  if expired?
    put(@source.send(@fetch))
  end
  @contents
end

#expired? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cache.rb', line 23

def expired?
  (Time.now.utc.to_i - @timestamp) > @expiry
end

#put(stuff) ⇒ Object 



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# File 'lib/cache.rb', line 18

def put(stuff)
  @timestamp = Time.now.utc.to_i
  @contents = stuff
end